The Aquatop Submersible Digital Aquarium Thermometer from the DTG Series offers a reliable way to track water temperature in your aquarium with its clear, easy-to-read LCD screen. Featuring a modern, compact build, both the DTG-15 and DTG-25 models are ideal for tanks of varying sizes. These thermometers provide precision with an accuracy of +/- 2 degrees Fahrenheit. The DTG-15 is completely submersible and comes with a suction cup for secure mounting inside the tank. Meanwhile, the DTG-25 is designed for external placement and includes an adhesive backing for effortless installation. Perfect for maintaining optimal conditions, these devices are available at shop.morphmarket.com.